So they write about the limitations of their study about how marijuana use is subject to the real use frequency, but they simply throw all other considerations out the window.

I take issue with trials like these. They barely do any reasonable trial research and try to spin:

"The persons who habitually smoke marijuana have been shown to have higher blood pressure levels when compared to the general population"

-into-

"Smoking marijuana in itself causes higher blood pressure"

No doubt pharmaceutical companies have their hands in this, if I may say, bullshit. They stand to lose money if people have a drug that helps their symptoms that they can simply grow in the back yard. Replace "Internet of Things" with "Internet of Non-Critical Thinkers" and you get a recipe in which todays society may be influenced due to their lack of understanding of scientific principles in a world ever increasing in scientific constructs.

EDIT: jetlagged english